ANDROID: 16K: Make the x86 vdso layout 16kB compatible

The vDSO is layed-out at at build time.

Use the max page size to layout the vdso pages, since
__PAGE_SIZE is only known at runtime.

Bug: 365566776
Bug: 365177458
Bug: 356729201
Change-Id: I3fcd2dd9a4253e6c2f8d4cc2c3e3885c12a9fc0f
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
(cherry picked from commit 546a44fe)